An Accurate and Efficient Error Predictor Tool for CATR Measurements

An accurate and efficient numerical model is developed to simulate the far field of an antenna under test (AUT) measured in a Compact Antenna Test Range (CATR), on the basis of the known quiet zone field and the theoretical aperture field distribution of the AUT. The comparison with the theoretical far-field pattern of the AUT shows the expected measurement accuracy. The numerical model takes into account the relative movement of the AUT within the quiet zone and is valid for any CATR and AUT of which the quiet zone and aperture field, respectively, are known.

The antenna under test is the Validation Standard Antenna (VAST12), especially designed in the past for antenna test ranges validations. Simulated results as well as real measurements data are provided.

Publication: AMTA 31st Annual Symposium (AMTA2009)
Place: Salt Lake City, Utah, USA, 1-6 November, 2009

Authors:
Cecilia Cappellin / Stig Busk Sørensen / M. Paquay / A. Østergaard /
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